Russian standards
Vacuum enclosed prove tubes. Methods of measurement of heater voltage and current
Document status: Active
Image intensifier and image converter tubes. Method of measuring the conversion factor
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Tube connections. Reduce unions for Pn 16 MPa (160 kgf/cm2). Construction and dimensions
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Threaded pipeline connections. Union passage crosses. Construction
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Ferromanganese. Method for the determination of silicon content
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